201909985 (number)

201909985 is an odd 9-digits composite number following 201909984 and preceding 201909986. In scientific notation, it is written as 2.01909985 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 154504944 positive integers (up to 201909985) that are relatively prime to 201909985.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 2.01909985 × 10^8
Engineering notation 2.01909985 × 10^6

Prime Factorization of 201909985

Prime Factorization 115 × 1755739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201909985
Product of the distinct prime numbers

The prime factorization of 201909985 is 115 × 1755739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201909985)

Multiplication

n×y
n×2 403819970
n×3 605729955
n×4 807639940
n×5 1009549925

Division

n÷y
n÷2 100954992.5
n÷3 67303328.333333
n÷3 50477496.25
n÷5 40381997

Exponentiation

ny
n2 40767642042700225
n3 8.231393993327E+24
n4 1.6620006377217E+33
n5 3.3557452383239E+41

Nth Root

y√n
2√n 14209.503334037
3√n 586.65926281261
4√n 119.2036213126
5√n 45.817518017154

Divisors of 201909985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201909984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201909985 can be divided by 4 positive divisors. The sum of these divisors (counting 201909985) is 1, the average is 0.25.

Base conversion 201909985

Base System Value
2 Binary 1100000010001110011011100001
3 Ternary 112001221002102121
4 Quaternary 30002032123201
5 Quinary 403142104420
6 Senary 32011344241
8 Octal 1402163341
10 Decimal 201909985
12 Duodecimal 57752081
16 Hexadecimal c08e6e1
20 Vigesimal 331iej5
36 Base36 3c7mqp

Cryptographic Hash Functions

md5 bbe8b02b37e713b6087521da66435fd9
sha1 f18dd752891e833a9a02acb6dc839bea5f2787c0
sha256 c7805f95defe2bb6b1bec94496fc3ef71c65d3dd01497e74e8f8403f4c620f4f
sha512 934be3146522fe359a8ceb79f334f4f3b76c63de4fa1760a74e36acbd22ee61b9aa803d2374ec45dc397c7e37e611919440a00fcfc4c8e86307f20be740d432f
ripemd-160 108278f69903f2bd40ceaae5baf09976defadcac

201909985 as geometric shapes

Circle

Radius = n
Diameter 403819970
Circumference 1268637851.1249
Area 1.2807532474553E+17

Sphere

Radius = n
Volume 3.4479582530986E+25
Surface area 5.123012989821E+17
Circumference 1268637851.1249

Square

Length = n
Perimeter 807639940
Area 40767642042700225
Diagonal 285543839.16555

Cube

Length = n
Surface area 244605852256201350
Volume 8.231393993327E+24
Space diagonal 349718352.57547

Equilateral Triangle

Length = n
Perimeter 605729955
Area 1.7652906830684E+16
Altitude 174859176.28773

Triangular Pyramid

Length = n
Surface area 1.7652906830684E+16
Volume 9.7007908521662E+23
Height 95181279.721849